/* ===================================================
   ميزان السكر — Design System (Mobile First)
=================================================== */
:root{
  --color-primary-900:#0d3b2e;
  --color-primary-700:#15603f;
  --color-primary-600:#1a7a4d;
  --color-primary-500:#22945d;
  --color-primary-100:#e3f3e8;
  --color-primary-50:#f2f9f4;

  --color-accent:#c9a24b;
  --color-accent-light:#e8cf8a;
  --color-accent-soft:#f7edd3;

  --color-white:#ffffff;
  --color-bg:#faf8f3;
  --color-ink:#1c2620;
  --color-ink-soft:#5c6b62;
  --color-border:#e7e2d6;

  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;

  --shadow-soft:0 8px 24px -10px rgba(20,60,40,.15);
  --shadow-card:0 6px 18px -8px rgba(20,60,40,.12);
  --shadow-lift:0 16px 36px -14px rgba(20,60,40,.26);

  --font-body:'Readex Pro','Alexandria','Noto Sans Arabic',sans-serif;
  --font-display:'Alexandria','Readex Pro','Noto Sans Arabic',sans-serif;

  --container:1180px;
  --gutter:16px;
  --ease:cubic-bezier(.16,1,.3,1);
}

@media (min-width:480px){ :root{ --gutter:20px; } }
@media (min-width:768px){ :root{ --gutter:28px; --radius-lg:24px; --radius-md:18px; } }

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;max-width:100%;}
body{
  font-family:var(--font-body);
  background:var(--color-bg);
  color:var(--color-ink);
  line-height:1.7;
  overflow-x:hidden;
  max-width:100%;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img,picture{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
svg{max-width:100%;}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in-view{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:50px;
  padding:13px 24px;
  border-radius:100px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:.95rem;
  border:none;
  cursor:pointer;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
  white-space:normal;
  text-align:center;
  line-height:1.3;
}
.btn:active{transform:scale(.97);}
@media (hover:hover){
  .btn:hover{transform:translateY(-3px);}
}
.btn-primary{
  background:linear-gradient(135deg,var(--color-primary-600),var(--color-primary-500));
  color:#fff;
  box-shadow:0 10px 22px -8px rgba(26,122,77,.5);
}
.btn-accent{
  background:linear-gradient(135deg,var(--color-accent),var(--color-accent-light));
  color:var(--color-primary-900);
  box-shadow:0 10px 22px -8px rgba(201,162,75,.5);
}
.btn-ghost{
  background:rgba(255,255,255,.6);
  color:var(--color-primary-700);
  border:1.5px solid var(--color-primary-600);
  backdrop-filter:blur(6px);
}
@media (hover:hover){
  .btn-ghost:hover{background:var(--color-primary-50);}
}
.btn-lg{min-height:54px;padding:15px 30px;font-size:1rem;}
.btn-xl{min-height:58px;padding:16px 32px;font-size:1.05rem;}

/* CTA buttons: comfortable full-width tap targets on phones */
.hero-actions .btn,
.final-cta .btn,
.price-card .btn{
  width:100%;
}
@media (min-width:480px){
  .hero-actions{flex-direction:row;}
  .hero-actions .btn,
  .final-cta .btn,
  .price-card .btn{
    width:auto;
  }
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(250,248,243,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--color-border);
  transition:box-shadow .3s var(--ease);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;
  padding:12px var(--gutter);
}
.logo{display:flex;align-items:center;gap:8px;font-family:var(--font-display);min-width:0;}
.logo-icon{font-size:1.3rem;flex-shrink:0;}
.logo-text{font-weight:700;font-size:1.05rem;color:var(--color-primary-700);white-space:nowrap;}
.header-cta{
  min-height:42px;
  padding:10px 18px;
  font-size:.85rem;
  flex-shrink:0;
}
@media (min-width:480px){
  .header-inner{padding:14px var(--gutter);}
  .logo-text{font-size:1.15rem;}
  .header-cta{min-height:46px;padding:11px 22px;font-size:.9rem;}
}
@media (min-width:768px){
  .logo-icon{font-size:1.5rem;}
  .logo-text{font-size:1.25rem;}
  .header-cta{padding:12px 26px;font-size:.92rem;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:36px 0 44px;
  overflow:hidden;
}
.hero-blob{
  position:absolute;
  border-radius:50%;
  filter:blur(60px);
  opacity:.3;
  z-index:0;
  pointer-events:none;
}
.blob-1{
  width:280px;height:280px;
  background:radial-gradient(circle,var(--color-primary-500),transparent 70%);
  top:-100px; inset-inline-start:-90px;
}
.blob-2{
  width:260px;height:260px;
  background:radial-gradient(circle,var(--color-accent-light),transparent 70%);
  bottom:-100px; inset-inline-end:-90px;
}
.hero-grid{
  position:relative;z-index:1;
  display:flex;
  flex-direction:column;
  gap:32px;
  text-align:center;
  align-items:center;
}
.hero-content{width:100%;display:flex;flex-direction:column;align-items:center;}
.eyebrow{
  display:inline-block;
  background:var(--color-primary-100);
  color:var(--color-primary-700);
  padding:7px 16px;
  border-radius:100px;
  font-size:.78rem;
  font-weight:600;
  margin-bottom:16px;
}
.hero-title{
  font-family:var(--font-display);
  font-size:clamp(1.7rem,7vw,3.4rem);
  font-weight:800;
  line-height:1.3;
  color:var(--color-primary-900);
  margin-bottom:16px;
  max-width:22ch;
}
.hero-title .highlight{
  color:var(--color-accent);
  position:relative;
}
.hero-desc{
  font-size:.98rem;
  color:var(--color-ink-soft);
  max-width:34ch;
  margin:0 auto 26px;
}
.hero-actions{
  display:flex;
  flex-direction:column;
  gap:12px;
  width:100%;
  max-width:360px;
  margin:0 auto 32px;
}
.hero-trust{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap;
  width:100%;
}
.trust-item{display:flex;flex-direction:column;font-family:var(--font-display);align-items:center;}
.trust-item strong{font-size:1.1rem;color:var(--color-primary-700);}
.trust-item span{font-size:.72rem;color:var(--color-ink-soft);}
.trust-divider{width:1px;height:28px;background:var(--color-border);flex-shrink:0;}

.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;width:100%;}
.product-glow{
  position:absolute;
  width:240px;height:240px;
  background:radial-gradient(circle,rgba(34,148,93,.28),transparent 72%);
  filter:blur(10px);
  border-radius:50%;
  animation:pulse 5s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{transform:scale(1);opacity:.9;}
  50%{transform:scale(1.08);opacity:1;}
}
.hero-product-img{
  position:relative;z-index:1;
  width:min(240px,62%);
  filter:drop-shadow(0 20px 28px rgba(20,60,40,.25));
  animation:float 6s ease-in-out infinite;
  border-radius:22px;
}
@keyframes float{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-12px);}
}

@media (min-width:600px){
  .hero-title{max-width:none;}
  .hero-desc{max-width:44ch;}
}

@media (min-width:940px){
  .hero{padding:90px 0 70px;}
  .blob-1{width:480px;height:480px;top:-160px;inset-inline-start:-140px;}
  .blob-2{width:420px;height:420px;bottom:-160px;inset-inline-end:-120px;}
  .hero-grid{
    flex-direction:row;
    text-align:start;
    align-items:center;
    gap:48px;
  }
  .hero-content{align-items:flex-start;width:auto;flex:1.05;}
  .hero-title{font-size:clamp(2.2rem,4.2vw,3.4rem);}
  .hero-desc{margin:0 0 32px;}
  .hero-actions{flex-direction:row;justify-content:flex-start;max-width:none;margin:0 0 44px;}
  .hero-trust{justify-content:flex-start;}
  .hero-visual{flex:.95;}
  .product-glow{width:380px;height:380px;}
  .hero-product-img{width:min(420px,80%);}
}

/* ---------- Features strip ---------- */
.features-strip{padding:8px 0 32px;}
.features-grid{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:center;
}
.feature-pill{
  display:flex;align-items:center;gap:8px;
  background:#fff;
  border:1px solid var(--color-border);
  padding:11px 16px;
  border-radius:100px;
  font-weight:600;
  font-size:.82rem;
  box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.feature-icon{font-size:1.05rem;flex-shrink:0;}
@media (hover:hover){
  .feature-pill:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);}
}
@media (min-width:768px){
  .features-strip{padding:10px 0 50px;}
  .feature-pill{padding:14px 22px;font-size:.92rem;gap:10px;}
  .feature-icon{font-size:1.15rem;}
}

/* ---------- Sections ---------- */
.section{padding:56px 0;}
.section-alt{background:var(--color-primary-50);}
.section-head{text-align:center;max-width:520px;margin:0 auto 36px;}
.section-eyebrow{
  display:inline-block;
  color:var(--color-primary-600);
  font-weight:700;
  font-size:.8rem;
  letter-spacing:.02em;
  margin-bottom:10px;
}
.section-eyebrow.light{color:var(--color-accent-light);}
.section-title{
  font-family:var(--font-display);
  font-size:clamp(1.5rem,6vw,2.4rem);
  font-weight:800;
  color:var(--color-primary-900);
  margin-bottom:12px;
  line-height:1.35;
}
.section-sub{color:var(--color-ink-soft);font-size:.95rem;}
@media (min-width:768px){
  .section{padding:80px 0;}
  .section-head{max-width:640px;margin:0 auto 56px;}
  .section-eyebrow{font-size:.88rem;margin-bottom:12px;}
  .section-sub{font-size:1.05rem;}
}
@media (min-width:1024px){
  .section{padding:96px 0;}
}

/* ---------- Cards ---------- */
.cards-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.benefit-card{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:24px 22px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--color-border);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
@media (hover:hover){
  .benefit-card:hover{
    transform:translateY(-6px);
    box-shadow:var(--shadow-lift);
    border-color:var(--color-primary-500);
  }
}
.card-icon{
  width:48px;height:48px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--color-primary-100),var(--color-primary-50));
  color:var(--color-primary-600);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.card-icon svg{width:24px;height:24px;}
.benefit-card h3{
  font-family:var(--font-display);
  font-size:1.05rem;
  color:var(--color-primary-900);
  margin-bottom:8px;
  line-height:1.4;
}
.benefit-card p{color:var(--color-ink-soft);font-size:.9rem;}
@media (min-width:640px){
  .cards-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
}
@media (min-width:768px){
  .benefit-card{padding:34px 28px;}
  .card-icon{width:56px;height:56px;border-radius:16px;margin-bottom:20px;}
  .card-icon svg{width:28px;height:28px;}
  .benefit-card h3{font-size:1.15rem;margin-bottom:10px;}
  .benefit-card p{font-size:.95rem;}
}
@media (min-width:1024px){
  .cards-grid{grid-template-columns:repeat(3,1fr);gap:26px;}
}

/* ---------- Symptoms ---------- */
.symptoms-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
}
.symptom-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  background:#fff;
  padding:22px 12px;
  border-radius:var(--radius-md);
  text-align:center;
  font-weight:600;
  font-size:.88rem;
  border:1px solid var(--color-border);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
@media (hover:hover){
  .symptom-item:hover{transform:translateY(-6px) scale(1.02);box-shadow:var(--shadow-lift);}
}
.symptom-icon{
  font-size:1.5rem;
  width:50px;height:50px;
  display:flex;align-items:center;justify-content:center;
  background:var(--color-accent-soft);
  border-radius:50%;
  flex-shrink:0;
}
@media (min-width:600px){
  .symptoms-grid{grid-template-columns:repeat(3,1fr);gap:16px;}
}
@media (min-width:768px){
  .symptom-item{padding:28px 16px;font-size:1rem;gap:12px;}
  .symptom-icon{font-size:1.8rem;width:60px;height:60px;}
}
@media (min-width:1024px){
  .symptoms-grid{grid-template-columns:repeat(6,1fr);gap:18px;}
}

/* ---------- Why section ---------- */
.why-grid{
  display:flex;
  flex-direction:column;
  gap:36px;
  align-items:center;
}
.why-visual{position:relative;display:flex;justify-content:center;width:100%;}
.why-glow{
  position:absolute;
  width:220px;height:220px;
  background:radial-gradient(circle,var(--color-accent-soft),transparent 70%);
  border-radius:50%;
}
.why-img{
  position:relative;z-index:1;
  width:min(230px,70%);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lift);
}
.why-content{width:100%;text-align:center;}
.why-list{display:flex;flex-direction:column;gap:18px;margin-top:20px;text-align:start;}
.why-list li{display:flex;gap:14px;align-items:flex-start;}
.why-check{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--color-primary-600),var(--color-primary-500));
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:.78rem;
  margin-top:2px;
}
.why-list strong{font-family:var(--font-display);color:var(--color-primary-900);font-size:.98rem;}
.why-list p{color:var(--color-ink-soft);font-size:.88rem;margin-top:4px;}
@media (min-width:900px){
  .why-grid{flex-direction:row;gap:56px;align-items:center;}
  .why-visual{width:auto;flex:.85;}
  .why-glow{width:320px;height:320px;}
  .why-img{width:min(340px,85%);}
  .why-content{flex:1.15;text-align:start;}
  .why-list{gap:22px;margin-top:24px;}
  .why-check{width:32px;height:32px;font-size:.85rem;}
  .why-list strong{font-size:1.05rem;}
  .why-list p{font-size:.92rem;}
}

/* ---------- Researcher ---------- */
.researcher-card{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:24px;
  background:linear-gradient(135deg,#fff,var(--color-primary-50));
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:32px 22px;
  box-shadow:var(--shadow-soft);
  max-width:880px;
  margin:0 auto;
}
.researcher-img-wrap{
  flex-shrink:0;
  width:140px;height:140px;
  border-radius:50%;
  overflow:hidden;
  border:4px solid #fff;
  box-shadow:var(--shadow-lift);
}
.researcher-img{width:100%;height:100%;object-fit:cover;}
.researcher-tag{
  display:inline-block;
  color:var(--color-accent);
  background:var(--color-accent-soft);
  padding:6px 14px;
  border-radius:100px;
  font-weight:700;
  font-size:.78rem;
  margin-bottom:8px;
}
.researcher-info h3{
  font-family:var(--font-display);
  font-size:1.35rem;
  color:var(--color-primary-900);
  margin-bottom:10px;
}
.researcher-info p{color:var(--color-ink-soft);margin-bottom:16px;font-size:.92rem;}
.researcher-stat{display:flex;align-items:baseline;gap:8px;justify-content:center;}
.stat-num{font-family:var(--font-display);font-size:1.4rem;font-weight:800;color:var(--color-primary-700);}
.stat-label{color:var(--color-ink-soft);font-size:.85rem;}
@media (min-width:640px){
  .researcher-card{flex-direction:row;text-align:start;gap:36px;padding:40px;}
  .researcher-img-wrap{width:170px;height:170px;border-width:5px;}
  .researcher-info h3{font-size:1.55rem;}
  .researcher-info p{font-size:1rem;}
  .researcher-stat{justify-content:flex-start;}
  .stat-num{font-size:1.6rem;}
}
@media (min-width:768px){
  .researcher-card{gap:44px;padding:44px;}
  .researcher-img-wrap{width:180px;height:180px;}
}

/* ---------- Price ---------- */
.price-section{padding-top:24px;}
.price-card{
  position:relative;
  overflow:hidden;
  max-width:640px;
  margin:0 auto;
  text-align:center;
  background:linear-gradient(160deg,var(--color-primary-900),var(--color-primary-700));
  color:#fff;
  border-radius:var(--radius-lg);
  padding:38px 22px;
  box-shadow:var(--shadow-lift);
}
.price-glow{
  position:absolute;
  width:220px;height:220px;
  background:radial-gradient(circle,rgba(201,162,75,.35),transparent 70%);
  top:-80px;inset-inline-end:-70px;
}
.price-title{
  font-family:var(--font-display);
  font-size:1.3rem;
  font-weight:700;
  margin:12px 0 20px;
}
.price-amount{margin-bottom:20px;}
.price-number{
  font-family:var(--font-display);
  font-size:clamp(2.1rem,10vw,3.6rem);
  font-weight:800;
  color:var(--color-accent-light);
  word-break:break-word;
}
.price-currency{display:block;font-size:.92rem;color:rgba(255,255,255,.75);margin-top:6px;}
.price-features{
  display:flex;justify-content:center;flex-wrap:wrap;gap:12px 16px;
  margin-bottom:28px;
  color:rgba(255,255,255,.9);
  font-size:.82rem;
}
@media (min-width:600px){
  .price-section{padding-top:40px;}
  .price-card{padding:60px 40px;}
  .price-glow{width:300px;height:300px;top:-100px;inset-inline-end:-80px;}
  .price-title{font-size:1.6rem;margin:14px 0 24px;}
  .price-amount{margin-bottom:24px;}
  .price-currency{font-size:1rem;}
  .price-features{gap:20px;margin-bottom:34px;font-size:.92rem;}
}

/* ---------- Final CTA ---------- */
.final-cta{
  position:relative;
  overflow:hidden;
  padding:64px 0;
  text-align:center;
  background:linear-gradient(135deg,var(--color-primary-700),var(--color-primary-600));
  color:#fff;
}
.cta-blob{
  position:absolute;
  width:340px;height:340px;
  background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%);
  top:-140px;left:50%;transform:translateX(-50%);
  pointer-events:none;
}
.final-cta-title{
  font-family:var(--font-display);
  font-size:clamp(1.5rem,7vw,2.6rem);
  font-weight:800;
  margin-bottom:14px;
  position:relative;
  line-height:1.35;
}
.final-cta-sub{
  font-size:.95rem;
  color:rgba(255,255,255,.85);
  margin-bottom:28px;
  position:relative;
}
.final-cta .btn-primary{
  background:#fff;
  color:var(--color-primary-700);
  box-shadow:0 14px 30px -10px rgba(0,0,0,.35);
}
@media (min-width:768px){
  .final-cta{padding:100px 0;}
  .cta-blob{width:500px;height:500px;top:-200px;}
  .final-cta-sub{font-size:1.05rem;margin-bottom:34px;}
}

/* ---------- Contact ---------- */
.contact-card{
  display:flex;
  flex-direction:column;
  align-items:stretch;
  gap:20px;
  background:rgba(255,255,255,.7);
  backdrop-filter:blur(16px);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:26px 22px;
  box-shadow:var(--shadow-soft);
  max-width:960px;
  margin:0 auto;
}
.contact-item{display:flex;align-items:center;gap:14px;}
.contact-icon{
  font-size:1.4rem;
  width:46px;height:46px;
  border-radius:13px;
  background:var(--color-primary-100);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.contact-item strong{display:block;color:var(--color-primary-900);font-family:var(--font-display);margin-bottom:3px;font-size:.95rem;}
.contact-item p{color:var(--color-ink-soft);font-size:.88rem;}
.contact-divider{display:none;}
@media (min-width:900px){
  .contact-card{
    flex-direction:row;
    flex-wrap:wrap;
    justify-content:space-between;
    align-items:center;
    gap:24px 28px;
    padding:40px;
  }
  .contact-item{flex:1;min-width:200px;}
  .contact-icon{font-size:1.6rem;width:52px;height:52px;border-radius:14px;}
  .contact-item strong{font-size:1rem;}
  .contact-item p{font-size:.92rem;}
  .contact-divider{display:block;width:1px;height:44px;background:var(--color-border);}
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--color-primary-900);
  color:rgba(255,255,255,.85);
  padding:36px 0;
  text-align:center;
}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:10px;}
.footer-brand{display:flex;align-items:center;gap:8px;font-family:var(--font-display);font-size:1.05rem;font-weight:700;color:#fff;}
.footer-address{font-size:.85rem;color:rgba(255,255,255,.7);}
.footer-copy{font-size:.76rem;color:rgba(255,255,255,.5);margin-top:6px;}
@media (min-width:768px){
  .site-footer{padding:44px 0;}
  .footer-brand{font-size:1.15rem;}
  .footer-address{font-size:.92rem;}
  .footer-copy{font-size:.82rem;}
}

/* ---------- WhatsApp FAB ---------- */
.whatsapp-fab{
  position:fixed;
  bottom:calc(16px + env(safe-area-inset-bottom));
  inset-inline-end:16px;
  width:54px;height:54px;
  background:#25D366;
  color:#fff;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -6px rgba(37,211,102,.6);
  z-index:200;
  animation:wa-bounce 2.6s ease-in-out infinite;
  transition:transform .3s var(--ease);
}
.whatsapp-fab svg{width:27px;height:27px;}
@media (hover:hover){
  .whatsapp-fab:hover{transform:scale(1.1);}
}
@keyframes wa-bounce{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-7px);}
}
@media (min-width:768px){
  .whatsapp-fab{width:60px;height:60px;bottom:26px;inset-inline-end:26px;}
  .whatsapp-fab svg{width:30px;height:30px;}
}

/* ---------- Extra small phones (iPhone SE / 320-360px) ---------- */
@media (max-width:359px){
  .hero-title{font-size:1.55rem;}
  .price-number{font-size:1.9rem;}
}